Comma.ai is a technology company focused on developing advanced driver-assistance systems (ADAS) to enhance vehicle autonomy. Founded in 2015 by George Hotz, Comma.ai aims to make self-driving car technology accessible and affordable by offering aftermarket solutions for vehicles. Their flagship product, the Comma Three, is a hardware and software kit that enables compatible cars to achieve partial automation with capabilities like adaptive cruise control and lane centering. The company's platform is open-source, encouraging collaboration and innovation within the autonomous vehicle community.